:Product: Geomagnetic Data 7day_AK.txt :Issued: 0018 UTC 09 Sep 2021 # # Prepared by the U.S. Dept. of Commerce, NOAA, Space Weather Prediction Center # Please send comments and suggestions to SWPC.Webmaster@noaa.gov # Updated every hour beginning at 0029 UTC. # Values shown as reported, SEC does not verify accuracy. # Missing Data: -1 # # Geomagnetic A and K indices from the U.S. Geological Survey Stations # # Geomagnetic # Dipole A ------------- 3 Hourly K Indices -------------- # Station Lat Long Index 00-03 03-06 06-09 09-12 12-15 15-18 18-21 21-24 #------------------------------------------------------------------------------- 2021 Sep 2 Boulder N49 W 42 4 0 1 1 1 2 2 2 1 Chambon-la-foret N-- E--- -1 -1 -1 -1 -1 -1 -1 -1 -1 College N65 W102 5 0 1 0 3 3 1 1 0 Fredericksburg N38 W 78 3 1 0 0 1 2 1 1 1 Kergulen Island S57 E130 -1 -1 -1 -1 -1 -1 -1 -1 -1 Learmonth S22 E114 -1 -1 -1 -1 -1 -1 -1 -1 -1 Planetary(estimated Ap) 4 1 1 1 1 2 1 1 0 Wingst N54 E 95 -1 -1 -1 -1 -1 -1 -1 -1 -1 2021 Sep 3 Boulder N49 W 42 10 1 1 2 4 3 3 2 0 Chambon-la-foret N-- E--- -1 -1 -1 -1 -1 -1 -1 -1 -1 College N65 W102 20 1 1 3 6 5 2 0 1 Fredericksburg N38 W 78 6 0 1 2 3 2 2 1 2 Kergulen Island S57 E130 -1 -1 -1 -1 -1 -1 -1 -1 -1 Learmonth S22 E114 -1 -1 -1 -1 -1 -1 -1 -1 -1 Planetary(estimated Ap) 6 1 1 2 3 2 2 1 2 Wingst N54 E 95 -1 -1 -1 -1 -1 -1 -1 -1 -1 2021 Sep 4 Boulder N49 W 42 -1 -1 -1 -1 -1 -1 -1 -1 -1 Chambon-la-foret N-- E--- -1 -1 -1 -1 -1 -1 -1 -1 -1 College N65 W102 6 1 1 2 4 2 0 0 1 Fredericksburg N38 W 78 5 1 1 2 1 2 2 1 2 Kergulen Island S57 E130 -1 -1 -1 -1 -1 -1 -1 -1 -1 Learmonth S22 E114 -1 -1 -1 -1 -1 -1 -1 -1 -1 Planetary(estimated Ap) 5 2 1 2 2 1 1 1 2 Wingst N54 E 95 -1 -1 -1 -1 -1 -1 -1 -1 -1 2021 Sep 5 Boulder N49 W 42 0 -1 -1 -1 -1 -1 -1 -1 0 Chambon-la-foret N-- E--- -1 -1 -1 -1 -1 -1 -1 -1 -1 College N65 W102 10 1 1 2 3 5 1 0 0 Fredericksburg N38 W 78 8 2 3 2 2 3 1 1 1 Kergulen Island S57 E130 -1 -1 -1 -1 -1 -1 -1 -1 -1 Learmonth S22 E114 -1 -1 -1 -1 -1 -1 -1 -1 -1 Planetary(estimated Ap) 6 2 3 1 2 2 1 0 1 Wingst N54 E 95 -1 -1 -1 -1 -1 -1 -1 -1 -1 2021 Sep 6 Boulder N49 W 42 12 3 3 1 2 3 4 1 2 Chambon-la-foret N-- E--- -1 -1 -1 -1 -1 -1 -1 -1 -1 College N65 W102 3 1 1 0 2 1 2 0 1 Fredericksburg N38 W 78 8 2 3 1 2 3 2 1 2 Kergulen Island S57 E130 -1 -1 -1 -1 -1 -1 -1 -1 -1 Learmonth S22 E114 -1 -1 -1 -1 -1 -1 -1 -1 -1 Planetary(estimated Ap) 6 2 3 1 2 1 1 1 2 Wingst N54 E 95 -1 -1 -1 -1 -1 -1 -1 -1 -1 2021 Sep 7 Boulder N49 W 42 11 1 1 2 3 2 3 2 4 Chambon-la-foret N-- E--- -1 -1 -1 -1 -1 -1 -1 -1 -1 College N65 W102 7 1 0 3 4 1 0 2 1 Fredericksburg N38 W 78 10 0 1 2 3 2 1 3 4 Kergulen Island S57 E130 -1 -1 -1 -1 -1 -1 -1 -1 -1 Learmonth S22 E114 -1 -1 -1 -1 -1 -1 -1 -1 -1 Planetary(estimated Ap) 8 1 1 2 3 2 2 3 3 Wingst N54 E 95 -1 -1 -1 -1 -1 -1 -1 -1 -1 2021 Sep 8 Boulder N49 W 42 18 3 3 3 5 4 3 2 1 Chambon-la-foret N-- E--- -1 -1 -1 -1 -1 -1 -1 -1 -1 College N65 W102 -1 2 2 6 6 6 1 1 -1 Fredericksburg N38 W 78 14 4 2 3 4 3 2 2 1 Kergulen Island S57 E130 -1 -1 -1 -1 -1 -1 -1 -1 -1 Learmonth S22 E114 -1 -1 -1 -1 -1 -1 -1 -1 -1 Planetary(estimated Ap) 14 4 2 3 4 3 2 2 1 Wingst N54 E 95 -1 -1 -1 -1 -1 -1 -1 -1 -1